bug-14538: Remove driver validation checks

Marked validation checks done in the driver with
TODOVV. Once we verify the check is covered in a
validation layer we can remove the driver code.

4 files changed, 18 insertions, 31 deletions

diff --git a/loader/debug_report.c b/loader/debug_report.c
index c7c1d9a2..8a6bf5de 100644
--- a/loader/debug_report.c
+++ b/loader/debug_report.c
@@ -141,16 +141,18 @@ VkResult VKAPI loader_DbgCreateMsgCallback(
     VkResult res;
     uint32_t storage_idx;
 
-    if (instance == VK_NULL_HANDLE)
-        return VK_ERROR_INVALID_HANDLE;
+    /* TODOVV: move to validation layer */
+//    if (instance == VK_NULL_HANDLE)
+//        return VK_ERROR_INVALID_HANDLE;
 
     for (inst = loader.instances; inst; inst = inst->next) {
         if ((VkInstance) inst == instance)
             break;
     }
 
-    if (inst == VK_NULL_HANDLE)
-        return VK_ERROR_INVALID_HANDLE;
+    /* TODOVV: move to validation layer */
+//    if (inst == VK_NULL_HANDLE)
+//        return VK_ERROR_INVALID_HANDLE;
 
     icd_info = calloc(sizeof(VkDbgMsgCallback), inst->total_icd_count);
     if (!icd_info) {
@@ -210,16 +212,18 @@ VkResult VKAPI loader_DbgDestroyMsgCallback(
     VkResult res = VK_SUCCESS;
     struct loader_instance *inst;
 
-    if (instance == VK_NULL_HANDLE)
-        return VK_ERROR_INVALID_HANDLE;
+    /* TODOVV: Move to validation layer */
+//    if (instance == VK_NULL_HANDLE)
+//        return VK_ERROR_INVALID_HANDLE;
 
     for (inst = loader.instances; inst; inst = inst->next) {
         if ((VkInstance) inst == instance)
             break;
     }
 
-    if (inst == VK_NULL_HANDLE)
-        return VK_ERROR_INVALID_HANDLE;
+    /* TODOVV: Move to validation layer */
+//    if (inst == VK_NULL_HANDLE)
+//        return VK_ERROR_INVALID_HANDLE;
 
     icd_info = *(VkDbgMsgCallback **) &msgCallback;
     storage_idx = 0;
diff --git a/loader/loader.c b/loader/loader.c
index 0b7d1ba6..b12a065d 100644
--- a/loader/loader.c
+++ b/loader/loader.c
@@ -2664,10 +2664,11 @@ VkResult VKAPI loader_DestroyInstance(
         prev = next;
         next = next->next;
     }
-    if (next  == NULL) {
-        // This must be an invalid instance handle or empty list
-        return VK_ERROR_INVALID_HANDLE;
-    }
+    /* TODOVV: Move this test to validation layer */
+//    if (next  == NULL) {
+//        // This must be an invalid instance handle or empty list
+//        return VK_ERROR_INVALID_HANDLE;
+//    }
 
     while (icds) {
         if (icds->instance) {
@@ -3088,10 +3089,6 @@ LOADER_EXPORT VkResult VKAPI vkGetGlobalExtensionProperties(
     uint32_t copy_size;
 
     tls_instance = NULL;
-    if (pCount == NULL) {
-        return VK_ERROR_INVALID_POINTER;
-    }
-
     memset(&icd_extensions, 0, sizeof(icd_extensions));
     loader_platform_thread_once(&once_init, loader_initialize);
 
@@ -3160,10 +3157,6 @@ LOADER_EXPORT VkResult VKAPI vkGetGlobalLayerProperties(
 
     uint32_t copy_size;
 
-    if (pCount == NULL) {
-        return VK_ERROR_INVALID_POINTER;
-    }
-
     /* TODO: do we still need to lock */
     loader_platform_thread_lock_mutex(&loader_lock);
 
@@ -3203,10 +3196,6 @@ VkResult VKAPI loader_GetPhysicalDeviceExtensionProperties(
     struct loader_icd *icd = loader_get_icd(gpu, &gpu_index);
     uint32_t copy_size;
 
-    if (pCount == NULL) {
-        return VK_ERROR_INVALID_POINTER;
-    }
-
     uint32_t count;
     struct loader_extension_list *dev_ext_list;
 
@@ -3253,10 +3242,6 @@ VkResult VKAPI loader_GetPhysicalDeviceLayerProperties(
     uint32_t gpu_index;
     struct loader_icd *icd = loader_get_icd(gpu, &gpu_index);
 
-    if (pCount == NULL) {
-        return VK_ERROR_INVALID_POINTER;
-    }
-
     uint32_t count = icd->this_instance->device_layer_list.count;
 
     if (pProperties == NULL) {
diff --git a/loader/trampoline.c b/loader/trampoline.c
index 33971c33..4ca018c4 100644
--- a/loader/trampoline.c
+++ b/loader/trampoline.c
@@ -44,8 +44,6 @@ LOADER_EXPORT VkResult VKAPI vkCreateInstance(
     struct loader_instance *ptr_instance = NULL;
     VkResult res = VK_ERROR_INITIALIZATION_FAILED;
 
-    if (pCreateInfo == NULL)
-        return VK_ERROR_INVALID_POINTER;
     loader_platform_thread_once(&once_init, loader_initialize);
 
     if (pCreateInfo->pAllocCb
diff --git a/loader/wsi_swapchain.c b/loader/wsi_swapchain.c
index ec0ee0d0..a59f389b 100644
--- a/loader/wsi_swapchain.c
+++ b/loader/wsi_swapchain.c
@@ -95,7 +95,7 @@ VkResult VKAPI loader_GetPhysicalDeviceSurfaceSupportKHR(
 {
     uint32_t gpu_index;
     struct loader_icd *icd = loader_get_icd(physicalDevice, &gpu_index);
-    VkResult res = VK_ERROR_UNAVAILABLE;
+    VkResult res = VK_ERROR_UNKNOWN;
     *pSupported = false;
 
     if (icd->GetPhysicalDeviceSurfaceSupportKHR) {